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  1. #include <stdio.h>
  2.  
  3. int first(int n)
  4. {
  5.     int i,j=0;
  6.     for(i=1; i<=n; i++)
  7.     {
  8.         if(n%i == 0)
  9.             j++;
  10.     }
  11.     if(j == 2)
  12.         return 1;
  13.     else if(j > 2)
  14.         return 0;
  15. }
  16.  
  17.  
  18. int main(void) {
  19. 	// your code goes here
  20. 	printf("%d\n", first(3));
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 2292KB
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https://ideone.com/lfdfUr
language:
C (gcc 8.3)
created:
10 years ago
visibility:
secret

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